html {
    background-image: linear-gradient(to right, #acb6e5, #86fde8);
}

body {
    /*border: 1px solid red;*/
    display: flex;
    align-items: center;
    justify-content: center;
}

#login {
    /*border: 1px solid red;*/
    width: 500px;
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    position: absolute;
    line-height: 2;
    margin: auto;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 3px 3px 6px 3px rgba(0, 0, 0, .3);
    overflow: hidden;
}

h1 {
    color: cadetblue;
}

input {
    border-radius: 15px;
}

.enroll {
    width: 350px;
    height: 50px;
    border: 0;
    margin-bottom: 15px;
}

.button {
    /*border: 1px solid red;*/
    border: 1px;
    width: 300px;
    height: 30px;
    margin-bottom: 10px;
    background-image: linear-gradient(to right, #acb6e5, #86fde8);
    margin-left: 80px;
    color: white;
}

.button:active {
    transform: scale(0.98);
    box-shadow: 3px 2px 22px 1px rgba(0, 0, 0, 0.24);
}

#rad {
    margin-left: 150px;
    margin-bottom: 20px;
}

#check_div {
    /*border: 1px solid red;*/
    margin-left: 130px;
    padding-bottom: 20px;
}

#check {
    border: 0;
    width: 100px;
    height: 40px;
    border-radius: 2px;
}

img, #check {
    vertical-align: middle;
}

#teacher_font {
    margin-left: 40px;
}

span {
    margin-left: 220px;
}

